Engineering

The efficiency of a heat recovery system, based on natural circulation, is determined by assuring satisfactory boiling conditions across the section of each heat exchange modules There are four main aspects for optimization: By definition, this is the mass water flow in circulation divided by the steam flow, which can be understood as the number

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Conductivity Changes Conductivity is an inherent property of water that measures the electrical current flowing through the ionic species in a solution; therefore, the higher the concentration of ions, the greater the likelihood of electrochemical reactions with the metal surface of the system that may precede corrosion. However, even considering high purity water, operational conditions

[vc_row][vc_column][vc_custom_heading text=\”CFD Drain System\” use_theme_fonts=\”yes\”][vc_custom_heading text=\”Description\” font_container=\”tag:h3|text_align:left\” use_theme_fonts=\”yes\”][vc_column_text] A simple modification in the engineering design may turn out to be of significant impact in the way systems perform and increase its functional reliability. This image presents a good example in which the blowdown drain system in a power plant was affected by severe flow-accelerated corrosion

[vc_row][vc_column][vc_custom_heading text=\”Heat-Affected Zone\” use_theme_fonts=\”yes\”][vc_custom_heading text=\”Circulation Ratio\” font_container=\”tag:h4|text_align:left\” use_theme_fonts=\”yes\”][vc_column_text] Heat-affected zone infiltration may be a potential cause of erosion/corrosion failures of carbon steel piping when exposed to a continuous stream of wet steam or feed water. The problem is associated with high-velocity and turbulences created by the presence of the welding penetration as a flow obstacle.

[vc_row][vc_column][vc_custom_heading text=\”Heat Transition Zone\” use_theme_fonts=\”yes\”][vc_custom_heading text=\”Introduction\” font_container=\”tag:h3|text_align:left\” use_theme_fonts=\”yes\”][vc_column_text] As superheated steam enters in the transition zone of the turbine and expands into LP section, steam may cross the saturation line, in the Mollier diagram, to eventually form nucleation of moisture drops on blades and disk surfaces. Consequently, a number of physical-chemical processes will lead to